HTP EFTU Series, Installation Instructions Manual

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LP-743 Rev. 000 Rel. 000 Date 8.25.20
15
25 4 4 Cascade Manager Status
1 = Stand-by, 2 = Meeting CH Demand, 5 = CH Temperature Reached, 8 =
System Storage Loading, 9 = System Storage Loading Temp Reached, 20
= Pump Antifreeze, 21 = Burn Antifreeze, 27 = Plant Frost Protection with
Burner Blocked, 28 = System Tank Frost Protection, 29 = System Antile-
gionella Function, 30 = Chimney, 31 = Air Purge, 51 = Lockout Volatile,
72 = External Control CH Serving, 74 = External Control DHW Serving, 75
= External Control CH Temp Reached, 77 = External Control DHW Temp
Reached, 101 = Initialization
25 5 ERROR HISTORY - READ ONLY
25 5 0 Last 10 Errors Displays the Last 10 Errors
25 5 1
Reset Error List OK = Yes, ESC = No
25 6 RESET MENU
25 6 0
Automatically resets all parameters to the
factory defaults.
WARNING: Always check PCB settings
if restoring factory default settings on a
replacement controller. Replacement controllers
have generic settings that may not be specific to
the boiler model.
Reset: OK = yes, ESC = no
Only applicable to parameters in menu levels 2 and 25 of the Master boiler.
34 - 40 FOLLOWER BOILER 1 - 7
34 - 40 0 GENERAL
34 - 40 0 1
DHW Preheating 0 = Disabled, 1 = Enabled 1
Enables/disables DHW Comfort Function on WCN models (not applicable to WBN models). See par 25.2.1.
34 - 40 1 FREE PARAMETER
34 - 40 1 9
DHW Flow Detection Device Type 0 = Flow Switch, 1 = Flow Meter Varies
Default: 0 for
TRX085, 120, 110C, 150C
Default: 1 for
TRX150, 199, 199C, FTVN085, 110, 150, 199, 110C, 150C, 199C
WCN models use a flow meter. Not applicable for WBN models.
34 - 40 2 SETTINGS
34 - 40 2 0
Ignition Power % 0 - 100
Must be set in accordance with parameter 2.2.0 - see boiler Installation Manual.
34 - 40 2 3
TT2 Input Configuration
0 = Auxiliary Limit Switch,
1 = Room thermostat zone 2
1
NOTE:
TT2 cannot work as a room thermostat input on a follower boiler.
34 - 40 2 5 NOT USED
34 - 40 2 8
WCN Models
CANNOT BE MODIFIED
0 = Combi 0
WBN Models
Type of DHW control for Indirect Hot Water
Heater (Tank Sensor or Aquastat)
0 = NOT USED
1 = Storage with Tank Sensor
2 = Storage with Aquastat
2
34 - 40 2 9
Boiler Heating Capacity (MBH) 0 - 200
Only if the PCB is changed
34 - 40 3 CENTRAL HEATING - 1
34 - 40 3
1 NOT USED
34 - 40 3 2
Absolute Max DHW power percentage
CANNOT BE MODIFIED
0 - 100
Must be set in accordance with parameter 2.3.2 - see boiler Installation Manual.
M
enu
Sub
-M
enu
Par
amet
er
Description Value
Default Setting